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sawanoboly/Pry_build_encrypt_by_plane

Last active December 21, 2015 06:59
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UnixCryptな設定ファイルをRubyのCSV.tableで扱う (/etc/shadow や ftpd.passwd など) ref: http://qiita.com/sawanoboly/items/e9de14ff3264b1c66658
Raw
ftpd.passwd
hoge1:$6$17ed5828ed832c5$3KWXpvu9tyOF5UEGswbahSQVAYRMt7ZEoxiMOT./8or8ipRrpL090sD.AowBeFyDAEIxBhxzG4DA/nqnzhHWR1:99:99:hoge1-san:/home/hoge1:/sbin/nologin
hoge2:$6$1a4a5969f81da2d$kT.LO1omkKavQs/kkh24ZnZO5o/FxlFfjVMverUr9iA4pL/iiEBCNwla.pLi3zlHAhCA4jr056msXD5CwAGk/.:99:99:hoge2-san:/home/hoge2:/sbin/nologin
hoge3:$6$031669a10a1ff3b$BNDb4nGS1cxGfJzKJntaegQZ8NkOKFKr2S6zJsyFO5Ph6TbD0nCMUtbIVN1KqPhUIItcLU35I2gHjs.16UGNn0:99:99:hoge3-san:/home/hoge3:/sbin/nologin
Raw
Pry_build_encrypt_by_plane
pry(main)> build_encrypt_by_plane('password3')
=> "$6$f22eb55ffd0731f$FhoAmeAQmcqsGbEnRJWLuqv.AwlpYHiRz8xecGE.0teBnIY3pzko2y7lRl.rXcUraZVLJ4Kc.vF5EUU5HjTir0"
Raw
Pry_delete
pry(main)> table.delete table.find_index {|x| x[:name] == 'hoge2'}
=> #<CSV::Row name:"hoge2" encrypt:"$6$1a4a5969f81da2d$kT.LO1omkKavQs/kkh24ZnZO5o/FxlFfjVMverUr9iA4pL/iiEBCNwla.pLi3zlHAhCA4jr056msXD5CwAGk/." uid:99 gid:99 info:"hoge2-san" home:"/home/hoge2" shell:"/sbin/nologin">
pry(main)> table.delete table.find_index {|x| x[:name] == 'hoge2'}
=> [nil, nil]
pry(main)> puts table.to_csv(:write_headers => false, :col_sep => ':')
hoge1:$6$17ed5828ed832c5$3KWXpvu9tyOF5UEGswbahSQVAYRMt7ZEoxiMOT./8or8ipRrpL090sD.AowBeFyDAEIxBhxzG4DA/nqnzhHWR1:99:99:hoge1-san:/home/hoge1:/sbin/nologin
hoge3:$6$031669a10a1ff3b$BNDb4nGS1cxGfJzKJntaegQZ8NkOKFKr2S6zJsyFO5Ph6TbD0nCMUtbIVN1KqPhUIItcLU35I2gHjs.16UGNn0:99:99:hoge3-san:/home/hoge3:/sbin/nologin
=> nil
# -------Reload table
pry(main)> table.delete_if {|row| row[:name] == 'hoge2'}
=> #<CSV::Table mode:col_or_row row_count:3>
pry(main)> puts table.to_csv(:write_headers => false, :col_sep => ':')
hoge1:$6$17ed5828ed832c5$3KWXpvu9tyOF5UEGswbahSQVAYRMt7ZEoxiMOT./8or8ipRrpL090sD.AowBeFyDAEIxBhxzG4DA/nqnzhHWR1:99:99:hoge1-san:/home/hoge1:/sbin/nologin
hoge3:$6$031669a10a1ff3b$BNDb4nGS1cxGfJzKJntaegQZ8NkOKFKr2S6zJsyFO5Ph6TbD0nCMUtbIVN1KqPhUIItcLU35I2gHjs.16UGNn0:99:99:hoge3-san:/home/hoge3:/sbin/nologin
=> nil
Raw
Pry_find
pry(main)> new_row = CSV::Row.new(
[:name,:encrypt,:uid,:gid,:info,:home,:shell],
['hoge4', build_encrypt_by_plane('password4'), 99, 99, 'hoge4-san', '/home/hoge4', '/sbin/nologin']
)
=> #<CSV::Row name:"hoge4" encrypt:"$6$b0782018ad3bf4a$hGkXfKKV0wY0OM2KcvvhLs86izBDd46HEwf1ZgD0NIHdmj7n.J54S/p0IHQ43AVUlgyb/nLDexXIvYE1qjkRg0" uid:99 gid:99 info:"hoge4-san" home:"/home/hoge4" shell:"/sbin/nologin">
pry(main)> table << new_row
=> #<CSV::Table mode:col_or_row row_count:5>
pry(main> table[3]
=> #<CSV::Row name:"hoge4" encrypt:"$6$b0782018ad3bf4a$hGkXfKKV0wY0OM2KcvvhLs86izBDd46HEwf1ZgD0NIHdmj7n.J54S/p0IHQ43AVUlgyb/nLDexXIvYE1qjkRg0" uid:99 gid:99 info:"hoge4-san" home:"/home/hoge4" shell:"/sbin/nologin">
## 既に居るユーザなら追加しない
pry(main)> table << new_row unless table.find {|row| row[:name] == 'hoge4' }
=> nil
Raw
Pry_find_by_index
pry(main)> table.find_index {|x| x[:name] == 'hoge3'}
=> 2
pry(main)> table[2]
=> #<CSV::Row name:"hoge3" encrypt:"$6$031669a10a1ff3b$BNDb4nGS1cxGfJzKJntaegQZ8NkOKFKr2S6zJsyFO5Ph6TbD0nCMUtbIVN1KqPhUIItcLU35I2gHjs.16UGNn0" uid:99 gid:99 info:"hoge3-san" home:"/home/hoge3" shell:"/sbin/nologin">
Raw
Pry_find_by_name
pry(main)> user = table.find { |row| row[:name] == 'hoge2' }
=> #<CSV::Row name:"hoge2" encrypt:"$6$1a4a5969f81da2d$kT.LO1omkKavQs/kkh24ZnZO5o/FxlFfjVMverUr9iA4pL/iiEBCNwla.pLi3zlHAhCA4jr056msXD5CwAGk/." uid:99 gid:99 info:"hoge2-san" home:"/home/hoge2" shell:"/sbin/nologin">
pry(main)> user[:encrypt]
=> "$6$1a4a5969f81da2d$kT.LO1omkKavQs/kkh24ZnZO5o/FxlFfjVMverUr9iA4pL/iiEBCNwla.pLi3zlHAhCA4jr056msXD5CwAGk/."```
Raw
Pry_output_to_file
pry(main)> File.open('ftpd.passwd_new','w') {|f| f.write(table.to_csv(:write_headers => false, :col_sep => ':'))}
=> 308
pry(main)> .cat ftpd.passwd_new
hoge1:$6$17ed5828ed832c5$3KWXpvu9tyOF5UEGswbahSQVAYRMt7ZEoxiMOT./8or8ipRrpL090sD.AowBeFyDAEIxBhxzG4DA/nqnzhHWR1:99:99:hoge1-san:/home/hoge1:/sbin/nologin
hoge3:$6$031669a10a1ff3b$BNDb4nGS1cxGfJzKJntaegQZ8NkOKFKr2S6zJsyFO5Ph6TbD0nCMUtbIVN1KqPhUIItcLU35I2gHjs.16UGNn0:99:99:hoge3-san:/home/hoge3:/sbin/nologin
Raw
Pry_read_from_ftp_passwd
pry(main)> require 'csv'
=> true
pry(main)> table = CSV.table('ftpd.passwd', {:headers => ['name', 'encrypt', 'uid', 'gid' ,'info' ,'home' ,'shell'], :col_sep => ':'})
=> #<CSV::Table mode:col_or_row row_count:4>
pry(main)> table[0]
=> #<CSV::Row name:"hoge1" encrypt:"$6$17ed5828ed832c5$3KWXpvu9tyOF5UEGswbahSQVAYRMt7ZEoxiMOT./8or8ipRrpL090sD.AowBeFyDAEIxBhxzG4DA/nqnzhHWR1" uid:99 gid:99 info:"hoge1-san" home:"/home/hoge1" shell:"/sbin/nologin">
pry(main)> table[1]
=> #<CSV::Row name:"hoge2" encrypt:"$6$1a4a5969f81da2d$kT.LO1omkKavQs/kkh24ZnZO5o/FxlFfjVMverUr9iA4pL/iiEBCNwla.pLi3zlHAhCA4jr056msXD5CwAGk/." uid:99 gid:99 info:"hoge2-san" home:"/home/hoge2" shell:"/sbin/nologin">
pry(main)> table[2][:info]
=> "hoge3-san"
Raw
Pry_show
pry(main)> puts table.to_csv(:write_headers => true, :col_sep => ':')
name:encrypt:uid:gid:info:home:shell
hoge1:$6$17ed5828ed832c5$3KWXpvu9tyOF5UEGswbahSQVAYRMt7ZEoxiMOT./8or8ipRrpL090sD.AowBeFyDAEIxBhxzG4DA/nqnzhHWR1:99:99:hoge1-san:/home/hoge1:/sbin/nologin
hoge2:$6$1a4a5969f81da2d$kT.LO1omkKavQs/kkh24ZnZO5o/FxlFfjVMverUr9iA4pL/iiEBCNwla.pLi3zlHAhCA4jr056msXD5CwAGk/.:99:99:hoge2-san:/home/hoge2:/sbin/nologin
hoge3:$6$031669a10a1ff3b$BNDb4nGS1cxGfJzKJntaegQZ8NkOKFKr2S6zJsyFO5Ph6TbD0nCMUtbIVN1KqPhUIItcLU35I2gHjs.16UGNn0:99:99:hoge3-san:/home/hoge3:/sbin/nologin
=> nil
pry(main)> puts table.to_csv(:write_headers => false, :col_sep => ':')
hoge1:$6$17ed5828ed832c5$3KWXpvu9tyOF5UEGswbahSQVAYRMt7ZEoxiMOT./8or8ipRrpL090sD.AowBeFyDAEIxBhxzG4DA/nqnzhHWR1:99:99:hoge1-san:/home/hoge1:/sbin/nologin
hoge2:$6$1a4a5969f81da2d$kT.LO1omkKavQs/kkh24ZnZO5o/FxlFfjVMverUr9iA4pL/iiEBCNwla.pLi3zlHAhCA4jr056msXD5CwAGk/.:99:99:hoge2-san:/home/hoge2:/sbin/nologin
hoge3:$6$031669a10a1ff3b$BNDb4nGS1cxGfJzKJntaegQZ8NkOKFKr2S6zJsyFO5Ph6TbD0nCMUtbIVN1KqPhUIItcLU35I2gHjs.16UGNn0:99:99:hoge3-san:/home/hoge3:/sbin/nologin
=> nil
Raw
Pry_update
pry(main)> table[2]
=> #<CSV::Row name:"hoge3" encrypt:"$6$031669a10a1ff3b$BNDb4nGS1cxGfJzKJntaegQZ8NkOKFKr2S6zJsyFO5Ph6TbD0nCMUtbIVN1KqPhUIItcLU35I2gHjs.16UGNn0" uid:99 gid:99 info:"hoge3-san" home:"/home/hoge3" shell:"/sbin/nologin">
pry(main)> (table[table.find_index {|x| x[:name] == 'hoge3'}])[:encrypt] = build_encrypt_by_plane('update_passwd3')
=> "$6$fd75fc6a14847b3$CHMTRMkQg3WHqTh.6OrTiahpuPvnoO4IFWFRHWjepXujMdb8NcJFwqeuSH4OCcgi8jaZu.q1Ht7e13RK9YKwW."
pry(main)> table[2]
=> #<CSV::Row name:"hoge3" encrypt:"$6$fd75fc6a14847b3$CHMTRMkQg3WHqTh.6OrTiahpuPvnoO4IFWFRHWjepXujMdb8NcJFwqeuSH4OCcgi8jaZu.q1Ht7e13RK9YKwW." uid:99 gid:99 info:"hoge3-san" home:"/home/hoge3" shell:"/sbin/nologin">
Raw
unix_crypt_example.rb
require 'openssl'
require 'unix_crypt'
def _make_salt_by_plane(password)
OpenSSL::Digest::MD5.hexdigest(password + 'salt_me').slice(0,15)
end
def build_encrypt_by_plane(password, type = :SHA512) # [:MD5, :SHA256, :SHA512]
UnixCrypt.const_get(type).build(password, _make_salt_by_plane(password))
end
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